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277270 (2005 SB55)
Classification: Main-belt Asteroid          SPK-ID: 2277270
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1590431857703922 3.6455e-08  
a 2.4246904648916 1.2421e-08 au
q 2.039059968848147 9.1646e-08 au
i 1.692966228106076 5.9105e-06 deg
node 183.0151731834711 0.00014518 deg
peri 233.9550102943546 0.00014678 deg
M 290.1460755095217 2.0306e-05 deg
tp 2459268.090809530614
(2021-Feb-22.59080953)
7.8298e-05 TDB
period 1379.059117060087
3.78
1.0597e-05
2.901e-08
d
yr
n .2610475472345645 2.0059e-09 deg/d
Q 2.810320960935054 1.4397e-08 au
  Orbit Determination Parameters
   # obs. used (total)      231  
   data-arc span      6968 days (19.08 yr)  
   first obs. used      2001-09-19  
   last obs. used      2020-10-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51684  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 21:19:36  

Additional Information
 Earth MOID = 1.05153 au 
 Jupiter MOID = 2.52197 au 
 T_jup = 3.493 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.5   n/a MPO437262  

277270 (2005 SB55)          Discovered 2005-Sep-25 by Spacewatch at Kitt Peak
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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